Grid base plate for lead storage battery



FIG. 1 is a front perspective view of a grid base plate for lead storage battery showing the claimed design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof. 

CLAIM The ornamental design for grid base plate for lead storage battery, as shown and described. 